5-96
Cisco 7600 Series Router Installation Guide
OL-4503-26
Chapter 5 Removal and Replacement Procedures
Removing and Replacing the Power Supply
Figure 5-93
DC-Input Wire Connections for 4000-W DC-Input Power Supply for Left Side of Power
Bay
d.
From the left side of the power supply, connect the DC-input wires to TB1 in this order:
Negative (-)
Positive (+)
Note
When you tighten the terminal nuts, make sure they are snug. Do not over tighten them.
Recommended torque strength is 20 inch-pounds. Over tightening the terminal nuts can
break the terminal block (Maximum torque: 36 inch-pounds).
e.
From the left side of the power supply, connect the DC-input wires to TB2 in this order:
Negative (-)
Positive (+)
Note
When you tighten the terminal nuts, make sure they are snug. Do not over tighten them.
Recommended torque strength is 20 inch-pounds. Over tightening the terminal nuts can
break the terminal block (Maximum torque: 36 inch-pounds).
f.
Using the cable tie provided, place the cable tie through the slot at the top of the left terminal block
cover and secure the wiring going to TB2.
g.
Place and secure left and right inner terminal block cover.
h.
Secure outer block cover.
114008
3
INPUT OK
FAN
OK
OUTPUT
FAIL
I
0
1
2
Captive
installation
( ) Ground
(+) Positive
( - ) Negative
Power
switch
( ) Ground
(+) Positive
( - ) Negative
Power leads
attached to
terminal block
Terminal
block cover
Plastic
insulator
Power leads
attached to
terminal block
(+) Positive
( - ) Negative
Terminal
block cover
Plastic
insulator